Assignee
KANDA OPTICAL
JP·5 granted patents·181 citations·filing 1985–1995
Top patents by PatentIndex Score
5 records- 0158US4886340AOptical device for precision workKANDA OPTICAL·Filed 1988·Granted Dec 12, 1989·28 cites·13 claims
- 0256US5300963AStructure for attaching member for protecting eyes from wind and dustKANDA OPTICAL·Filed 1993·Granted Apr 5, 1994·89 cites·8 claims
- 0356US4820035ACollapsible spectaclesKANDA OPTICAL·Filed 1985·Granted Apr 11, 1989·28 cites·2 claims
- 0451US5231429AFoldable spectacle frameKANDA OPTICAL·Filed 1992·Granted Jul 27, 1993·22 cites·8 claims
- 0541US5640218AFoldable spectacles with temple members having deformable earpieces for fitting into compact caseKANDA OPTICAL·Filed 1995·Granted Jun 17, 1997·14 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when KANDA OPTICAL files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →